CN211022740U - Heart sound signal wireless acquisition device - Google Patents

Abstract

The utility model belongs to the technical field of medical detection. The heart sound signal wireless collection device of the present invention is composed of a heart sound sensor 1, a housing 9 equipped with a collection and analysis system, and an intelligent mobile terminal. The collection and analysis system consists of an AD7606 module 2, an STM32 module 3, and a Bluetooth JDY-31 Module 4 and battery 7 are formed. The input terminal of AD7606 module 2 is connected to the output terminal of heart sound sensor 1. The output terminal of AD7606 module is connected to the input I/O of the STM32 module through the SPI serial communication interface. The output I/O of the STM32 module The port is connected to the input port of the Bluetooth JDY‑31 module 4. The Bluetooth JDY‑31 module 4 wirelessly sends the signal processed by the STM32 module 3 to the smart mobile terminal; the power supply of the AD7606 module 2, STM32 module 3 and Bluetooth JDY‑31 module 4 terminal is connected to battery 7. The device is suitable for promotion and use in areas where doctors are not high-level, such as township hospitals and rural health centers.

Description

Heart sound signal wireless acquisition device

technical field

The utility model belongs to the technical field of medical detection, and relates to a heart sound signal wireless collection device using Internet+AI technology.

Background technique

At present, the known laboratory instruments for congenital heart disease and other heart diseases generally use the ultrasonic echo of an "echocardiograph" to probe the heart, great vessels, etc., to obtain information about the heart for diagnosis. The accuracy of this method is high, but its cost is high, the equipment is bulky, and the cost of each diagnosis is high, so it is difficult to popularize it in hospitals below the township level.

Chinese Patent Application No. 201120467794.4 discloses a "heart sensing intelligent IoT monitoring system", which solves the technical problem of poor practicability of existing heart monitoring devices. The system includes a server and a mobile monitoring device; the server is connected to the Internet; the mobile monitoring device includes a single-chip microcomputer, a GPS positioning module, a wireless communication module, and a heart sound collector for monitoring human heart sound signals; the single-chip microcomputer is provided with a signal Acquisition port, data interface, communication interface, audio signal interface, video signal interface, the signal acquisition port is connected to the heart sound collector, the data interface is connected to the GPS positioning module, the communication interface is connected to the Internet through the wireless communication module, and the audio signal interface is connected to the beeper buzzer, and its video signal interface is connected to the display screen. The system provided by the utility model is suitable for the monitoring of patients with heart disease, and is not suitable for the auxiliary diagnosis of the doctor's initial diagnosis.

Chinese Patent Application No. 201120458450.7 discloses a "portable cardiac function detection device", which includes a heart rate detector, a wristband, the wristband is connected to the heart rate detector, an alarm device and a sensor, the alarm device is connected to the sensor, and whether the sensor is set whether The early warning module that sends instructions to the alarm device can feed back to the carrier or others in time according to the working state of the heart, so that the carrier can control their emotions in time and notify others in times of crisis. The utility model is suitable for early warning of heart disease patients, but not suitable for use by clinicians.

SUMMARY OF THE INVENTION

The purpose of this utility model is to overcome the defects of the prior art, and to provide a device for the initial diagnosis of congenital heart disease and other heart disease that is small in size, easy to carry and use, suitable for use by clinicians and can be transmitted wirelessly—wireless acquisition of heart sound signals device.

The heart sound signal wireless collection device of the utility model is composed of a heart sound sensor, a housing equipped with a collection and analysis system, and an intelligent mobile terminal. The collection and analysis system is composed of an AD7606 module, an STM32 module, a Bluetooth JDY-31 module and a battery. , the input end of AD7606 module is connected with the output end of the heart sound sensor, the output end of AD7606 module is connected with the input I/O of the STM32 module through the SPI serial communication interface, and the output I/O port of the STM32 module is connected with the Bluetooth JDY-31 module's input I/O port. The input port is connected, and the Bluetooth JDY-31 module wirelessly sends the signal processed by the STM32 module to the intelligent mobile terminal; the power terminals of the AD7606 module, the STM32 module and the Bluetooth JDY-31 module are connected to the battery.

The outer surface of the casing is provided with indicator lights, and the indicator lights are respectively connected to the other two output I/O ports of the STM32 module.

The outer surface of the casing is provided with a switch, and the switch is connected with the battery.

The heart sound sensor, AD7606 module, STM32 module, Bluetooth JDY-31 module and intelligent mobile terminal are the prior art. The modules described are all conventional circuits in the art and are commercially available.

The heart sound signal wireless acquisition device of the utility model is based on the microcontroller STM32 module, which is the initial diagnosis equipment for congenital heart disease and other heart diseases. The analog heart sound signal is converted into a digital signal and transmitted to the STM32 module through the SPI interface. The STM32 module wirelessly sends the heart sound signal to the smart mobile terminal through Bluetooth. In the smart mobile terminal (smart phone, PAD, tablet computer, etc.), the digital signal processing technology is used to process and analyze the heart sound signal, and finally the diagnosis result is displayed on the smart mobile terminal. on the terminal screen. The smart mobile terminal can also send the heart sound signal to the cloud through the Internet for remote analysis and processing, and receive the analysis results from the cloud and display it on the smart mobile terminal.

The utility model overcomes the shortcomings of the existing laboratory diagnostic instruments for congenital heart disease and other heart diseases, such as high cost, bulky, inconvenient use, and inconvenience for initial diagnosis. "Echocardiograph" is suitable for popularization and use in medical institutions, especially in areas with low level of doctors such as township hospitals and rural health centers.

The utility model can realize a portable and low-cost diagnostic equipment for congenital heart disease and other heart diseases only by adding simple peripherals and corresponding analysis software to the existing intelligent mobile terminal. Initial clinical diagnosis of other heart diseases.

Description of drawings

Figure 1 is a block diagram of the system structure of the present invention.

Figure 2 is a schematic structural diagram of the present invention.

Fig. 3 is the internal structure diagram of the casing of the present invention.

In the picture: 1-heart sound sensor, 2-AD7606 module, 3-STM32 module, 4-Bluetooth JDY-31 module, 5-indicator light, 6-indicator light, 7-battery, 8-switch, 9-shell.

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings.

Embodiment: As shown in the figure, this embodiment consists of the following parts: heart sound sensor 1, AD7606 module 2, STM32 module 3, indicator lights 5, 6 and switch 8, Bluetooth JDY-31 module 4, battery 7, shell 9 and smart mobile terminals.

The heart sound signal wireless collection device described in this embodiment is composed of a heart sound sensor 1 and a collection and analysis system installed in a housing 9 . The heart sound sensor 1 adopts the American Thinklabs ONE heart sound sensor, and the heart sound sensor 1 has its own rechargeable battery; The output end of the heart sound sensor 1 is connected to the input end of the AD7606 module. The STM32 module has multiple I/O ports. The output of the AD7606 module is connected to the input I/O port of the STM32 module through the serial communication interface SPI, and the output I/O port of the STM32 module is connected to the input port of the Bluetooth JDY-31 module. , the STM32 module is connected to the indicator lights 5 and 6 respectively through the other two I/O ports, which are used to display the system power supply and system working status respectively. The indicator lights 5 and 6 are respectively fixed on the surface of the casing 9 . The power terminals of AD7606 module, STM32 module and Bluetooth JDY-31 module are connected to battery 7, which is a rechargeable battery. The intelligent mobile terminal described in this embodiment is wirelessly connected to the acquisition and analysis system installed in the housing 9, and the Bluetooth JDY-31 module 4 wirelessly sends the signal processed by the STM32 module 3 to the intelligent mobile terminal, and sends the signal processed by the STM32 module 3 to the intelligent mobile terminal. Real-time analysis display.

Brief description of the work of the device: This device is used by clinicians in the initial diagnosis of patients with congenital heart disease and other heart diseases. When a doctor is performing auscultation of the heart, the heart sound sensor 1 is placed on the part to be auscultated by the patient, such as the heart of the person being collected. The heart sound sensor 1 converts the human heart sound signal into an analog signal, and then converts the analog signal into a digital signal through the AD7606 module. The signal is transmitted to the STM32 module through the SPI interface. The STM32 module wirelessly sends the heart sound signal to the smart mobile terminal through the Bluetooth JDY-31 module. After the intelligent mobile terminal processes the signal, the diagnosis result is displayed on the screen of the intelligent mobile terminal. The smart mobile terminal can also send the heart sound signal to the cloud through the Internet for remote analysis and processing, and receive the analysis results from the cloud and display it on the smart mobile terminal.

Claims (3)

1. A heart sound signal wireless collection device, characterized in that it is composed of a heart sound sensor (1), a housing (9) equipped with a collection and analysis system and an intelligent mobile terminal, and the described collection and analysis system is composed of an AD7606 module (2), The STM32 module (3), the Bluetooth JDY-31 module (4) and the battery (7) are composed. The input end of the AD7606 module (2) is connected to the output end of the heart sound sensor (1), and the output end of the AD7606 module (2) is connected through the SPI The serial communication interface is connected to the input I/O of the STM32 module (3), the output I/O port of the STM32 module (3) is connected to the input port of the Bluetooth JDY-31 module (4), and the Bluetooth JDY-31 module (4) The signal processed by the STM32 module (3) is wirelessly sent to the intelligent mobile terminal; the power terminals of the AD7606 module (2), the STM32 module (3) and the Bluetooth JDY-31 module (4) are connected to the battery (7). 2. The heart sound signal wireless collection device according to claim 1, wherein the outer surface of the casing (9) is provided with indicator lights (5), (6), and the indicator lights (5) and (6) are respectively Connect to the other two output I/O ports of the STM32 module (3). 3 . The wireless heart sound signal acquisition device according to claim 1 , wherein a switch ( 8 ) is provided on the outer surface of the casing ( 9 ), and the switch ( 8 ) is connected to the battery ( 7 ). 4 .

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